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A Study to Compare Bioavailability of Naloxone Nasal Spray and Naloxone Hydrochloride (HCl) Intramuscular Injection (IM) in Healthy Volunteers

A Phase 1, Open-Label, Randomized, Crossover, Comparative Bioavailability Study of Naloxone Nasal Spray and Naloxone Hydrochloride Intramuscular Injection in Healthy Volunteers

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03827629
Enrollment
24
Registered
2019-02-01
Start date
2017-08-07
Completion date
2017-08-16
Last updated
2019-02-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteer

Brief summary

The main objective of this study is to compare early exposures of two test formulations of Naloxone Nasal Spray with the reference formulation of Naloxone HCl IM Injection under fasted conditions.

Interventions

Participants received naloxone nasal spray following a 10 hour fast.

Participants received naloxone nasal spray following a 10 hour fast.

DRUGTreatment C: Naloxone HCL Intramuscular (IM) Injection

Participants received naloxone HCl IM injection following a 10 hour fast.

Sponsors

INSYS Therapeutics Inc
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 45 Years
Healthy volunteers
Yes

Inclusion criteria

* A minimum body weight of 50 kg and a body mass index (BMI) between 18.0 and 32.0 kilogram per square meter (kg/m2) * A seated blood pressure between 90 and 140 millimeters of mercury (mmHg) systolic/50 and 90 mmHg diastolic (inclusive) * Female subjects had a negative serum β-human chorionic gonadotropin (β-hCG) pregnancy test at screening

Exclusion criteria

* A known allergy or history of significant adverse reaction to naloxone, other opioids or related compounds, or to any of the excipients. * Any documented clinically significant infection, injury, or illness within 1 month prior to screening. * An active malignancy of any type, or had been diagnosed with cancer within 5 years prior to screening. * A documented history of alcohol or drug abuse/dependence/misuse or narcotic analgesic abuse/dependence/misuse within 2 years prior to screening. Alcohol abuse was defined as greater than 14 drinks per week. * Positive serology test for hepatitis B, hepatitis C, or human immunodeficiency virus (HIV) at screening. * A positive urine test result for alcohol, drugs, or cotinine at screening or check-in. * A condition that the Investigator believed would have interfered with the ability to provide informed consent or comply with study instructions, or that could confound the interpretation of the study results or put the subject at undue risk. * Used any opioids for 30 days prior to Day 1. * Required treatment with monoamine oxidase inhibitors (MAOIs) within 30 days prior to Day 1 and during the study. * Presence of an ongoing upper respiratory infection, rhinitis, rhinorrhea, or nasal congestion.

Design outcomes

Primary

MeasureTime frame
Plasma Concentration of Unconjugated NaloxonePre-dose and at multiple time points up to 1 hour post-dose
Partial Area Under the Concentration Curve (AUC) of Unconjugated NaloxonePre-dose and at multiple time points up to 1 hour post-dose

Secondary

MeasureTime frameDescription
Percentage of AUC0-inf Obtained by Extrapolation (AUCextrap) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Maximum Plasma Concentration (Cmax) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Time to Reach Maximum Plasma Concentration (Tmax) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Last Quantifiable Concentration (Clast) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Area Under the Curve from Time 0 to the Last Measured Concentration (AUC0-t) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Time Prior to the First Measurable (Non-Zero) Concentration (Tlag) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Elimination Rate Constant (λz) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Elimination Half-Life (t1/2) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)Day 1 up to Day 10An AE is defined as any untoward medical occurrence in a participant administered a pharmaceutical product during the course of a clinical investigation. An AE can therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of an investigational product, whether or not thought to be related to the investigational product. A serious AE (SAE) is any AE that results in death, is life threatening, requires hospitalization or prolongs existing hospitalization, results in persistent or significant disability or incapacity, is a congenital anomaly or birth defect, is medically significant or requires intervention.
Time of the Last Quantifiable Concentration (Tlast) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose
Area Under the Curve from Time 0 to Infinity (AUC0-inf) of Unconjugated NaloxonePre-dose and at multiple time points up to 24 hours post-dose

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026